Blender Git Loki

Text.c
- calling Text_reset within C/Api funcs didnt decref the Py_None Text_reset returned.
- Text_delete wasnt checking if the input was an int.
- a number of functions wernt checking if the text was removed.
console.py
- added clear output
- command history leaves empty command before wrapping
- add imports as dummy user input so commands written to a text file will run.
- faster writing of output to a textblock.